Key Value Store GitHub Repositories (2026) · Open Source Tools

A fast, multi-threaded Redis® and Valkey alternative written in Rust: drop-in compatible, with full-text and vector search built in

FoundationDB - the open source, distributed, transactional key-value store

A low-level, versioned, embedded, ACID-compliant, key-value database for Rust

Fully typed LMDB wrappers with minimum overhead 🐦

ZoneTree is a persistent, high-performance, transactional, ACID-compliant ordered key-value database and LSM-tree storage engine for .NET.

Skytable is a modern scalable NoSQL database with BlueQL, designed for performance, scalability and flexibility. Skytable gives you spaces, models, data types, complex collections and more to build powerful experiences

Fast persistent recoverable log and key-value store + cache, in C# and C++.

🗻 Log-structured, embeddable key-value storage engine written in Rust

Infinispan is an open source data grid platform and highly scalable NoSQL cloud data store.

Async .NET client for NATS: pub/sub, request/reply, JetStream, KV, Object Store, Services

Rust Client for TiKV.

Go library for protobuf compatible sstables, a skiplist, a recordio format and other database building blocks like a write-ahead log. Ships now with an embedded key-value store.

Distributed, transactional document database backed by FoundationDB.

C#/.NET Binding for FoundationDB Client API